Judi spots the moment on the CCTV video where drugs were planted on Wayne, but as she leaves, she encounters Sean who was watching her. Not realizing Dean's involvement, she confides in him about finding the culprit. He tries to talk her out of showing the video to anyone, but she's not having any of it. The next morning, Judi waits for the boy in the CCTV footage to show up, but Sean's already intercepting Matthew. Sean warns Matthew to lie low, and deny any involvement. When he reaches the school gates, Sean's had to leave on an errand for Mr. Brisley and the way is clear for Judi to confront Matthew. She explains about the tapes, and arranges to meet the boy at break. Matt seeks out Sean, but Sean's solution is radical and backed up by his knife - Matthew is to hide in the toilets every break time, out of sight of Judi. Sean pretends Judi has a message to phone home, so he is able to get at her bag, and the video tape inside. He swaps the tape for another in his absence. After ...